CN107195004A - Three video camera Car license recognition toll collection systems and car plate precise recognition method - Google Patents
Three video camera Car license recognition toll collection systems and car plate precise recognition method Download PDFInfo
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- CN107195004A CN107195004A CN201710348449.0A CN201710348449A CN107195004A CN 107195004 A CN107195004 A CN 107195004A CN 201710348449 A CN201710348449 A CN 201710348449A CN 107195004 A CN107195004 A CN 107195004A
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- car
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- car license
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
- G06V20/625—License plates
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Finance (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Traffic Control Systems (AREA)
Abstract
The present invention relates to road vehicle toll collection system and License Plate Identification technical field, more particularly to a kind of three video cameras Car license recognition toll collection system and car plate precise recognition method.It includes the gate system based on road toll system and shoots identifying system, wherein shooting identifying system includes two far field Car license recognition video cameras shooting identifying systems also including near region Car license recognition video camera, two far field Car license recognition video cameras are symmetrically mounted on the pillar of special toll collection passage both sides direction to the car, and described near region Car license recognition video camera is mounted on the pillar of special toll collection passageway gate machine system one side.The present invention passes through the accurate identification to car plate, unique identities identification feature-vehicle license plate number image automatic identification to vehicle is simultaneously converted into data signal, accuracy rate is higher than entity electronic tag recognition rate, the electronic tagging device in existing high speed ETC tracks can be substituted completely, and vehicle can pass through charge station with not parking.
Description
Technical field
The present invention relates to road vehicle toll collection system and License Plate Identification technical field, more particularly to a kind of three video camera
Car license recognition toll collection system and car plate precise recognition method.
Background technology
Current ETC (Electronic Toll Collection) is that electronic toll collection is received as road vehicle
Take a kind of popular charging mode, it is necessary to onboard install after an electronic tag associated with bank card, it is special by microwave
Short range communication, when vehicle passes through freeway toll station, not parking bales catch is realized in system energy automatic identification and clearance of arguing for the sake of arguing
Take pass cost.
1, it is so far, in ETC (electronic charging system without parking) toll collection system of freeway toll station to realize car
Accurate identification, vehicle carried electronic label equipment need to be installed in identified vehicle, take certain interior space, user cost is high
And equipment follow-up maintenance is complicated.
2, the ETC tracks of vehicle carried electronic label equipment are installed, while needing to install identification antenna equipment, costly, dimension
Shield is complicated.
3, the ETC lane systems based on electronic tag, user need to handle corresponding stored value card entity card and equipment, pass through
The electronic purse function of entity card realizes that supplementing or bind bank card with money in advance withholds.
The content of the invention
The technical problem to be solved in the present invention is how to overcome the deficiencies in the prior art to know there is provided a kind of three video cameras car plate
Other toll collection system and method.
The technical scheme that uses to achieve the above object of the present invention is：
Three video camera Vehicle License Plate Recognition Systems, including the gate system based on road toll system and shooting identifying system, its
Middle shooting identifying system includes two far field Car license recognition video cameras, and described shooting identifying system also includes near region Car license recognition
Video camera, two far field Car license recognition video cameras are symmetrically mounted on the pillar of special toll collection passage both sides direction to the car,
Near region Car license recognition video camera is mounted on the pillar of special toll collection passageway gate machine system one side, passes through three Car license recognitions
Vehicle license plate carries out picture crawl on the complementary pair special toll collection passage of video camera, and the recognition result progress backstage of car plate is patrolled
Judgement processing is collected, the accurate identification of the number-plate number is realized.
Based on foregoing Vehicle License Plate Recognition System, vehicle license plate precise recognition method, its step is：
(1) vehicle enters special toll collection passage, shoots identifying system and passes through two far field Car license recognition video cameras pair first
Car plate carries out processing of taking pictures, and license plate number is generated into digital data transmission to component computer；
(2) shoot identifying system and the license board information of collection is uploaded to component computer, entered by computer comparative analysis
Enter next operating procedure；
(3) if the license board information of two far field Car license recognition video cameras acquisitions is identical and correspondingly vehicle is car plate in system meter
It is on the books in calculation machine database, and without other particular requirements, it is directly entered the automatic current step of deducting fees of car plate correspondence stored value card
Suddenly；
(4) gate system of tollbooth carries out clearance of arguing for the sake of arguing, and generating normal stream water gauge by component computer remembers；
(5) as vehicle advances, near region Car license recognition video camera is started working, and carries out Car license recognition；
(6) when the license board information of two far field Car license recognition camera acquisitions is inconsistent, computer is without rear chassis
Board is corresponding to deduct fees.Program carries out the car plate data signal of far field Car license recognition video camera and near region Car license recognition video capture
Contrast；
(7) step (6) is based on, when near region Car license recognition video capture result is known with two far field Car license recognition video cameras
Other result one of them when being consistent, the automatic current step of deducting fees of car plate correspondence stored value card is performed to the license board information that is consistent
Suddenly；
(8) deduct fees completion, the gate system of tollbooth carries out clearance of arguing for the sake of arguing, and this passes through system to the vehicle in step (7)
Computer generation suspicious flow water gauge note；
(9) when the information of three camera acquisitions match it is inconsistent, then by manually further being checked；
(10) when the vehicle in step (9) is by manually checking, when confirming unregistered, vehicle is transferred to manual toll collection flow；
(11) when the vehicle in step (9) is by manually checking, when confirming that car plate has been registered, carry out manual identification information and entangle
Just or driver is operated by Quick Response Code barcode scanning, into the current step of deducting fees of car plate correspondence stored value card.
Further, step (3), (7), the stored value card described in (11) are tied up for vehicle by the track based on Car license recognition
Fixed backstage virtual electronic account.
Further, when electronic purse balance amount is not enough, using manual toll collection or Third-party payment of the client using binding is passed through
Instrument carries out carrying out clearance of arguing for the sake of arguing after network payment.
Further, the logical algorithm of three Car license recognition video camera Car license recognitions：Two far field Car license recognitions are first passed through to take the photograph
Camera is carried out after logic judgment, then carries out the 3rd near region Car license recognition video camera information judgement.
The advantage of the invention is that by the accurate identification to car plate, to unique identities identification feature-vehicle car of vehicle
Trade mark code image automatic identification is simultaneously converted into data signal, and accuracy rate is higher than entity electronic tag recognition rate, can substitute completely
The electronic tagging device in existing high speed ETC tracks, vehicle can pass through charge station with not parking.
Brief description of the drawings
Fig. 1 Car license recognition charge schematic diagrames of the present invention.
Shooting identifying system positional structure schematic diagram in Fig. 2 present invention.
Embodiment
Three video camera Car license recognition toll collection systems, including the gate system 1 based on road toll system and shooting identification system
System 2.Shooting identifying system 2 includes two far field video cameras 21 and a near region video camera 22.The camera used is known for car plate
Other camera.By the setting of two video cameras, the electronic recognition of traditional stored value card entity card is substituted, so as to avoid allowing car owner
Handle entity card, while in tollbooth, can also reduce the installation of identification antenna equipment, simplied system structure, reduction install and
Maintenance cost；Two far field Car license recognition video cameras 21 are symmetrically mounted on the pillar positioned at special toll collection passage both sides direction to the car
On, near region Car license recognition video camera 22 is mounted on the pillar of the one side of special toll collection passageway gate machine system 1, passes through three cars
Vehicle license plate carries out picture crawl on the complementary pair special toll collection passage of board identification video camera, and the recognition result of car plate is carried out
Background logic judgement is handled, and realizes the accurate identification of the number-plate number.
Meanwhile, above-mentioned vehicle identification toll collection system is corresponded to, the step of method for distinguishing is accurately known on car plate is：
(1) vehicle enters special toll collection passage 3, shoots identifying system 2 and passes through two far field Car license recognition video cameras first
21 pairs of car plates carry out processing of taking pictures, and license plate number is generated into digital data transmission to component computer；
(2) shoot identifying system 2 and the license board information of collection is uploaded to component computer, entered by computer comparative analysis
Enter next operating procedure；
(3) if the license board information of two acquisitions of far field Car license recognition video cameras 21 is identical and correspondingly vehicle is car plate in system
It is on the books in Computer Database, and without other particular requirements, automatic pass through for being directly entered car plate correspondence stored value card is deducted fees
Step；
(4) gate system 1 of tollbooth 4 carries out clearance of arguing for the sake of arguing, and generating normal stream water gauge by component computer remembers；
(5) as vehicle advances, near region Car license recognition video camera 22 is started working, and carries out Car license recognition；
(6) when the license board information that two far field Car license recognition video cameras 21 are gathered is inconsistent, computer is without backstage
Car plate is corresponding to deduct fees.Program carries out the car plate number that far field Car license recognition video camera 21 and near region Car license recognition video camera 22 are captured
Word signal contrast；
(7) step (6) is based on, when near region Car license recognition video camera 22 captures result and two far field Car license recognition video cameras
When one of them of 21 recognition results is consistent, automatic pass through that car plate correspondence stored value card is performed to the license board information that is consistent is buckled
Take step；
(8) deduct fees completion, the gate system of tollbooth 4 carries out clearance of arguing for the sake of arguing, and this is to the vehicle in step (7), by being
Computer generation suspicious flow water gauge of uniting is remembered；
(9) when the information of three camera acquisitions match it is inconsistent, then by manually further being checked；
(10) when the vehicle in step (9) is by manually checking, when confirming unregistered, vehicle is transferred to manual toll collection flow；
(11) when the vehicle in step (9) is by manually checking, when confirming that car plate has been registered, carry out manual identification information and entangle
Just or driver is operated by Quick Response Code barcode scanning, into the current step of deducting fees of car plate correspondence stored value card.
It is worth noting that：
In car plate accurately knows method for distinguishing, step (3), (7), the stored value card described in (11) for vehicle by based on
The backstage virtual electronic account of the track binding of Car license recognition.When described electronic purse balance amount is not enough, using manual toll collection or
Carry out carrying out clearance of arguing for the sake of arguing after network payment using the Third-party payment instrument of binding by client.Three Car license recognition video cameras
The logical algorithm of Car license recognition：First pass through two far field Car license recognition video cameras to carry out after logic judgment, then carry out the 3rd closely
Area's Car license recognition video camera information judges.
Above-described embodiment is simply to illustrate that the technical concepts and features of the present invention, the purpose is to be to allow in the art
Those of ordinary skill can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent change or modification according to made by the essence of present invention, should all covers within the scope of the present invention.
Claims (5)
1. three video camera Vehicle License Plate Recognition Systems, including the gate system based on road toll system and shooting identifying system, wherein
Shooting identifying system includes two far field Car license recognition video cameras, it is characterised in that：Described shooting identifying system also includes near
Area's Car license recognition video camera, two far field Car license recognition video cameras are symmetrically mounted on positioned at special toll collection passage both sides direction to the car
Pillar on, described near region Car license recognition video camera is mounted on the pillar of special toll collection passageway gate machine system one side,
Picture crawl is carried out by vehicle license plate on the complementary pair special toll collection passage of three Car license recognition video cameras, and to the knowledge of car plate
Other result carries out background logic judgement processing, realizes the accurate identification of the number-plate number.
2. car plate accurately knows method for distinguishing, it is characterised in that based on the Vehicle License Plate Recognition System described in claim 1, described car
Car plate precise recognition method, its step is：
(1) vehicle enters special toll collection passage, shoots identifying system first by two far field Car license recognition video cameras to car plate
Progress is taken pictures processing, and license plate number is generated into digital data transmission to component computer；
(2) shoot identifying system and the license board information of collection is uploaded to component computer, under being entered by computer comparative analysis
One operating procedure；
(3) if the license board information of two far field Car license recognition video cameras acquisitions is identical and correspondingly vehicle is car plate in component computer
It is on the books in database, and without other particular requirements, it is directly entered the automatic current step of deducting fees of car plate correspondence stored value card；
(4) gate system of tollbooth carries out clearance of arguing for the sake of arguing, and generating normal stream water gauge by component computer remembers；
(5) as vehicle advances, near region Car license recognition video camera is started working, and carries out Car license recognition；
(6) when the license board information of two far field Car license recognition camera acquisitions is inconsistent, computer is without backstage car plate pair
That answers deducts fees.Program carries out the car plate data signal pair of far field Car license recognition video camera and near region Car license recognition video capture
Than；
(7) step (6) is based on, when near region Car license recognition video capture result is tied with two far field Car license recognition video camera identifications
When really one of them is consistent, the automatic current step of deducting fees of car plate correspondence stored value card is performed to the license board information that is consistent；
(8) deduct fees completion, the gate system of tollbooth carries out clearance of arguing for the sake of arguing, and this passes through system-computed to the vehicle in step (7)
Machine generation suspicious flow water gauge note；
(9) when the information of three camera acquisitions match it is inconsistent, then by manually further being checked；
(10) when the vehicle in step (9) is by manually checking, when confirming unregistered, vehicle is transferred to manual toll collection flow；
(11) when the vehicle in step (9) is by manually checking, and confirms that car plate has been registered, carry out manual identification information correct or
Driver is operated by Quick Response Code barcode scanning, into the current step of deducting fees of car plate correspondence stored value card.
3. car plate according to claim 2 accurately knows method for distinguishing, it is characterised in that：Step (3), (7), described in (11)
The backstage virtual electronic account bound for vehicle by track based on Car license recognition of stored value card.
4. car plate according to claim 2 accurately knows method for distinguishing, it is characterised in that：Described electronic purse balance amount is not enough
When, carry out carrying out clearance of arguing for the sake of arguing after network payment using the Third-party payment instrument of binding using manual toll collection or by client.
5. car plate according to claim 2 accurately knows method for distinguishing, it is characterised in that：Three Car license recognition video camera car plates
The logical algorithm of identification：First pass through two far field Car license recognition video cameras to carry out after logic judgment, then carry out the 3rd near region car
Board identification video camera information judges.
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| CN201710348449.0A CN107195004B (en) | 2017-05-17 | 2017-05-17 | Three video camera Car license recognition toll collection systems and car plate precise recognition method |
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Cited By (10)
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| CN109035461A (en) * | 2018-08-05 | 2018-12-18 | 夏大庆 | Highway is without card toll collection technique |
| CN109493611A (en) * | 2018-12-28 | 2019-03-19 | 西安艾润物联网技术服务有限责任公司 | A kind of licence plate recognition method and device |
| CN110047314A (en) * | 2019-03-22 | 2019-07-23 | 西安艾润物联网技术服务有限责任公司 | Parking space information modification method, apparatus and system |
| CN110910649A (en) * | 2019-12-23 | 2020-03-24 | 浙江大华技术股份有限公司 | Multi-camera cooperative traffic control method, device and system and storage device |
| CN111063046A (en) * | 2019-12-25 | 2020-04-24 | 亿雅捷交通系统(北京)有限公司 | Electronic toll collection passing method and system based on vehicle feature recognition |
| CN111862622A (en) * | 2020-07-27 | 2020-10-30 | 上海福赛特智能科技有限公司 | Device and method for improving identification accuracy of license plate at lane entrance |
| CN111932901A (en) * | 2019-05-13 | 2020-11-13 | 阿里巴巴集团控股有限公司 | Road vehicle tracking detection apparatus, method and storage medium |
| US11188776B2 (en) | 2019-10-26 | 2021-11-30 | Genetec Inc. | Automated license plate recognition system and related method |
| US11367267B2 (en) | 2018-02-08 | 2022-06-21 | Genetec Inc. | Systems and methods for locating a retroreflective object in a digital image |
| CN115862170A (en) * | 2023-02-27 | 2023-03-28 | 成都智源易行科技有限公司 | License plate recognition auxiliary system and method for ETC charging system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11367267B2 (en) | 2018-02-08 | 2022-06-21 | Genetec Inc. | Systems and methods for locating a retroreflective object in a digital image |
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| CN111862622B (en) * | 2020-07-27 | 2022-03-04 | 上海福赛特智能科技有限公司 | Device and method for improving identification accuracy of license plate at lane entrance |
| CN111862622A (en) * | 2020-07-27 | 2020-10-30 | 上海福赛特智能科技有限公司 | Device and method for improving identification accuracy of license plate at lane entrance |
| CN115862170A (en) * | 2023-02-27 | 2023-03-28 | 成都智源易行科技有限公司 | License plate recognition auxiliary system and method for ETC charging system |
| CN115862170B (en) * | 2023-02-27 | 2023-06-09 | 成都智源易行科技有限公司 | License plate recognition auxiliary system and method for ETC charging system |
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